This versatile light bar top allows you to mount either a pole nav light and GPS unit or a single light or GPS sensor.
The removable top plate includes an integral 1-14 threaded mount which can be used, or not, by mounting it in the up or down postion.
This modular top slides over any Seaview 1-1/4" light bar and is secured with the provided rivets.
The top plate measures 2-1/2" x 7".
Note - Lights and GPS not included.